Details Details PDF BIBTEX RIS Title A new high-effi ciency procedure for aggregate gradation determination of the railway ballastby means image recognition method Journal title Archives of Civil Engineering Yearbook 2013 Issue No 4 Authors Guerrieri, M. ; Parla, G. Keywords Railway ballast ; image analysis ; Segmentation techniques ; Aggregate gradation Divisions of PAS Nauki Techniczne Coverage 469-482 Publisher WARSAW UNIVERSITY OF TECHNOLOGY FACULTY OF CIVIL ENGINEERING and COMMITTEE FOR CIVIL ENGINEERING POLISH ACADEMY OF SCIENCES Date 31.12.2013 Type Artykuły / Articles Identifier ISSN 1230-2945 Source Archives of Civil Engineering; 2013; No 4; 469-482